IP Library Granted Patent US 9,452,118
Granted Patent B2
US 9,452,118 · App. 14/361,719 · Granted Sep 27, 2016

Nitrone compounds and their use in personal care

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Quick Facts
Patent No.
US 9,452,118
App. No.
14/361,719
Granted
Sep 27, 2016
Kind
B2
Abstract

Provided are compounds and compositions thereof that are useful as antioxidants in personal care formulations. The compounds are of the formula I: wherein R, R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are as defined herein.

Claims (4)

1. A personal care composition comprising:

(a) an antioxidant compound selected from the group consisting of (Z)—N-(2-hydroxybenzylidene)propan-2-amide oxide, (Z)—N-(4-hydroxybenzylidene)propan-2-amine oxide, (Z)—N-(4-hydroxy-3-methoxybenzylidene)propan-2-amine oxide, (Z)—N-(4-hydroxy-3-methoxybenzylidene)-2-methylpropan-2-amine oxide, and mixtures thereof; and

(b) a dermatologically acceptable carrier.

2. The composition of claim 1 wherein the antioxidant compound is selected from the group consisting of (Z)—N-(4-hydroxybenzylidene)propan-2-amine oxide, (Z)—N-(4-hydroxy-3-methoxybenzylidene)propan-2-amine oxide, and mixtures thereof.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 13, 2016
From: HUNG, SHAO-CHING; DHAMDHERE, MRUNALINI S.; GREEN, GEORGE D.; SWEDO, RAYMOND J.
To: DOW GLOBAL TECHNOLOGIES LLC
Reel/Frame 039321/0633 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 19, 2014
From: ANGUS CHEMICAL COMPANY
To: DOW GLOBAL TECHNOLOGIES LLC
Reel/Frame 034209/0270 →